Baton

Webster's Dictionary of the English Language

·noun A staff or truncheon, used for various purposes; as, the baton of a field marshal; the baton of a conductor in musical performances.

II. Baton ·noun An ordinary with its ends cut off, borne sinister as a mark of bastardy, and containing one fourth in breadth of the bend sinister;

— called also bastard bar. ·see Bend sinister.